Namespaces importing (thanks to Jan Tvrdik)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@309025 c90b9560-bf6c-de11-be94-00142212c4b1

language/namespaces.xml

@@ -592,7 +592,8 @@ $b = namespace\CONSTANT; // assigns value of constant CONSTANT to $b
   </para>
   <para>
    PHP namespaces support
-   two kinds of aliasing or importing: aliasing a class name, and aliasing a namespace name.
+   three kinds of aliasing or importing: aliasing a class name, aliasing an interface name,
+   and aliasing a namespace name.
    Note that importing a function or constant is not supported.
   </para>
   <para>
@@ -610,13 +611,13 @@ use My\Full\Classname as Another;
 use My\Full\NSname;
 
 // importing a global class
-use \ArrayObject;
+use ArrayObject;
 
 $obj = new namespace\Another; // instantiates object of class foo\Another
 $obj = new Another; // instantiates object of class My\Full\Classname
 NSname\subns\func(); // calls function My\Full\NSname\subns\func
 $a = new ArrayObject(array(1)); // instantiates object of class ArrayObject
-// without the "use \ArrayObject" we would instantiate an object of class foo\ArrayObject
+// without the "use ArrayObject" we would instantiate an object of class foo\ArrayObject
 ?>
 ]]>
     </programlisting>
@@ -624,7 +625,7 @@ $a = new ArrayObject(array(1)); // instantiates object of class ArrayObject
    Note that for namespaced names (fully qualified namespace names containing
    namespace separator, such as <literal>Foo\Bar</literal> as opposed to global names that
    do not, such as <literal>FooBar</literal>), the leading backslash is unnecessary and not
-   allowed, as import names
+   recommended, as import names
    must be fully qualified, and are not processed relative to the current namespace.
   </para>
   <para>